structures

Introduction to Structural Engineering Loads

• Engineers analyze loads to assess structural reliability.
• Trusting given measurements—e.g., loading values—plays a significant role in design.

Loading Estimates

• Provided loading estimates:
  • Beam loading: 200 times per square foot.
  • Beam load: 2.5 kips per foot.
  • Wind loads: 20 kips on the top, 10 kips on the middle.
• Actual loading at any given time varies and is conceptual as a probabilistic estimate.
• Emphasizes the intrinsic uncertainty of loading predictions.
• Indicates the need for a rigorous process rather than arbitrary safety factor adjustments.

Engineering Design Methodology

• Advocates against simple percentage increases (e.g., +25%, +30%) for safety.
• Emphasis on using equations and processes to determine design loads based on facts rather than estimates.
• Stress on the importance of following building codes established through extensive expertise and committee work.

Engineering Codes and Building Safety

• Building codes are crucial for public safety and trust in structural integrity.
• Examples of building code development:
  • Hammurabi's code.
  • Historical evolution since the 1600s, notably influenced by thinkers like Galileo.
• Importance of being fluent in local, state, and federal design codes.
• Building codes are refined every 4-5 years based on ongoing research and expertise.

International Building Code (IBC)

• The International Building Code provides minimum acceptable requirements that safeguard public health and safety.
  • Includes not only structural engineering but also HVAC and accessibility.
• Building codes differ by jurisdiction